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SM0410 VT-FX440E(UK) VT-FX540E(UK) SERVICE MANUAL VT-MX410E(UK) DO NOT RESELL OR DIVERT IMPROPERLY. DO NOT RESELL OR DIVERT IMPROPERLY. SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT VIDEO CASSETTE DECK April 2004 Digital Media Division...
CAUTION FOR SAFETY IN PERFORMING REPAIR 1-1 IMPORTANT SAFETY PRECAUTIONS 1-1-1 Product Safety Notice J. Be careful that foreign objects (screws, solder droplets, etc.) do not remain inside the set. Some electrical and mechanical parts have special K. Crimp type wire connector safety-related characteristics which are often not evi- The power transformer uses crimp type connec- dent from visual inspection, nor can the protection...
1-1-3 Safety Check after Servicing Examine the area surrounding the repaired location Chassis or Secondary Conductor for damage or deterioration. Observe that screws, parts, and wires have been returned to their original Primary Circuit Terminals positions. Afterwards, do the following tests and con- firm the specified values to verify compliance with safety standards.
1-2 STANDARD NOTES FOR SERVICING 1-2-1 Circuit Board Indications 1-2-3 Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is indi- When soldering, be sure to use the Pb free solder. cated as shown. 1-2-4 Instructions for Handling Top View Bottom View Semi-conductors...
GENERAL INFORMATION 2-1 SPECIFICATIONS [ VT-FX440E(UK) ] General Specifications Electrical Specifications Television system: PAL I Video output level : 1Vp-p TV standard Video output impedance : 75Ω unbalanced Video heads Six comprising of Four-video Audio output level : -6dBv and Two-audio heads Video input level : 0.5 ~2.0Vp-p...
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Overview VT-FX540E(UK) is the model that deleted “VIDEO Plus+” function from VT-FX440E(UK). With this, the [VIDEO Plus+] button on remote controller is also deleted. [ VT-FX540E(UK) ] Specifications Video section TV system PAL I Video head Rotating 4 heads Rotating 2 head helical scan brightness signal FM method...
2-2-2 Comparison of Main Control ICs : Same as on left ITEM VT-FX440E(UK)/MX410E(UK) VT-FX340E(UK)/MX310E(UK) MSP3407G-QG-B8 / IF SIGNAL PROCESS MSP3407G-QG-B8 (V3) MSP3417G-QG-B8-V3 (V3) ERROR VOLTAGE DET LTV-817(B,C)-F (IC001) CD4052BCSJX / BU4052BCF-E2 / SWITCHING TC4052BF(EL) (IC151) VIDEO/AUDIO SIGNAL PROCESS/ LA71750EM-MPB-E (IC301)
2-3 FUNCTION INDICATOR SYMBOLS Note: The following symbols will appear on the indicator panel to indicate the current mode or operation of the VCR. On-screen modes will also be momentarily displayed on the tv screen when you press the operation buttons.
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TV screen Note: OSD for mechanical error will be displayed for 5 sec. after the mechanical error occurs. When reel and capstan mechanism is not functioning When the drum is not working properly correctly Fig. 1 Fig. 4 When tape loading mechanism is not functioning cor- P-ON Power safety detection rectly Fig.
MAINTENANCE AND INSPECTION 3-1 TROUBLESHOOTING This section decribes how to service for specific malfunctions or poor parts. Detect malfunction or poor parts and service as follows: Video problem 1 (No recording Video) RF INPUT LINE INPUT (AV1) Check Video signal at pin 50 of IC301. Check Video signal at pin 48 of IC301.
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Video problem 2 (No playback Video) Check signal at pin 93 and pin 96 (or pin 87, pin 90) of IC301. No good Check Video signal at pin 50 of IC501. Cleaning the Video Head. (See page 3-7.) Or check Cylinder Assembly and service it if detective.
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Audio problem 1 (No recording Normal Audio) (with VT-MX410E(UK)) (with VT-MX410E(UK)) RF-INPUT LINE INPUT (AV1) (with VT-FX440E(UK)) (with VT-FX440/540E(UK)) Check Audio signal at pin 6 or 52 of IC451. Change for Audio-mode(MONO) by AUDIO- SELECT KEY of Remote Controller. No good...
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Audio problem 3 (No recording Hi-Fi Audio (with VT-FX440E(UK), VT-FX540E(UK)) RF-INPUT LINE INPUT (AV1) good good Check Audio signal at Check A/V cable, JK101 Check TU701 and Check SIF signal at pin pin 6 and pin 52 of IC451. and line between JK101 service it if detective.
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2] Remove the following components and check for Power problem defects: snubber diode (D005), switching FET (Q001), source resistor (R006), control transistor (Q002). It is highly recommended that a variable isolation Repair method #2 transformer which can monitor current be used. (Alternatively a variable AC source which moni- Check the fuse 1.6A (F001), primary rectifying diodes tors current will do).
3-2 STANDARD MAINTENANCE 3-2-1 Service Schedule of Components This maintenance chart shows the standard for the replacement and cleaning time of each part. Parts may be replaced depending on environment and purpose for use, use the chart for reference. H: Hours : Cleaning I: Replace Deck...
3-2-2 Cleaning Cleaning of ACE Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1.Remove the top cabinet. cloth. 2.Dip the cotton swab in 90% isopropyl alcohol and Procedure clean the ACE Head.
DISASSEMBLY 4-1 CABINET DISASSEMBLY INSTRUCTIONS 4-1-1 Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced. When reassem- (4): Identification of parts to be removed, unhooked, bling, follow the steps in reverse order.
4-2 DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS on page 4-1.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
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REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER [33] [26] BT Arm DM2H, DM14H *(P-5) (+)Refer to Loading Arm (SP) DM2H, DM14H Alignment Sec. [34] [26] Assembly Page 4-13 (+)Refer to Loading Arm (TU) [35] [34] DM2H, DM14H Alignment Sec.
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(S-1) (S-1) (L-1) (L-3) (L-2) (S-1A) (P-1) Installation of [3] and [6] First, insert [6] diagonally in [3] as shown below. Then, install [6] in [3] while pushing (L-1) in a direction of arrow. After installing [6] in [3], confirm that pin A of [3] enters hole A of [6] properly.
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[11] (S-4A) (L-4) [49] (P-3) [13] [50] Removal of [11] [12] (L-12) 1) Remove screw (S-4A). 2) Unhook spring (P-2). [10] Release (L-4) while (P-2) holding [12] with a finger. Loosen a finger holding [12] and remove [11]. (S-2) Pin of [12] Pin of [10] Groove of [27] When reassembling [10] and...
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Installation of [13] and [12] (S-5) [14] (S-6) [13] [15] Hook spring (P-3) up to [12] and [13], then install then to (P-3) the specified position so that [12] will be floated slightly while holding [12] and [13]. (Refer to Fig. A.) [12] Fig.
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(C-1) turn [22] (S-8) [20] (L-6) [21] [19] Cap Belt Pin on [22] Installation position of Cap Belt [20] Cap Belt [27] Position of pin on [22] Fig. DM12H [19] View for A Fig. DM11H 4-10...
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(P-5) [26] (C-3) [31] Refer to the Alignment Section, Page 4-13. (S-9) (L-8) [35] [32] (L-9) [34] [23] (L-7) [24] (C-5) (C-4) (C-2) [28] [25] [29] [30] [27] Fig. DM14H [31] [38] Fig. DM13H-1 [36] [43] Installation of [26] (P-6) turn [39] Position of Mode Lever when installed...
4-3 ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape Loading Arm (SP) and (TU) Assembly loading/unloading mechanism. Since information about the state of the mechanism is provided to the Install Loading Arm (SP) and (TU) Assembly so that System Control Circuit only through the Mode Switch, their triangle marks point to each other as shown in...
ADJUSTMENT 5-1 PREPARATION FOR SERVICING 5-1-1 How to Enter the Service Mode About Optical Sensors Caution: An optical sensor system is used for the Tape Start and End Sensors on this equipment. Carefully read and follow the instructions below. Otherwise the unit may operate erratically.
5-2 FIXTURE AND TAPE FOR ADJUSTMENT 1. Alignment Tape (MH-2) 3. Flat Screwdriver No. 7099052 (Purchase Locally) 2. Guide Roller Adj. Screwdriver No. 7099028 5-2-1 How To Use The Fixtures And Tape Item No. Name Part No. Adjustment I Head Switching Position Alignment Tape (MH-2) 7099052 I Tape Interchangeability Alignment...
5-3 ELECTRICAL ADJUSTMENT INSTRUCTIONS VT-FX440E(UK) / VT-MX410E(UK) General Note: "PCB" is an abbreviation for EXT. Syncronise Trigger Point "Circuit Board Assembly." NOTE: 1.Electrical adjustments are required after replacing circuit components and certain mechanical parts. 1.0H 0.5H V-Sync It is important to do these adjustments only after 6.5H±1H (412.7µs±63.5µs)
5-4 MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below loaded position without a cassette tape on this page if a tape gets stuck, for example, in the 1.
5-4-2 Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center position every time a tape is loaded or unloaded. (Refer to page 5-7, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (MH-2) Guide Roller Adj.
1-A. Preliminary/Final Checking and 4. If creasing or snaking is apparent, adjust the Tilt Alignment of Tape Path Adj. Screw of the ACE Head. (Fig. 5-4-6) Purpose: To make sure that the tape path is well stabilized. Azimuth Adj. Screw Symptom of Misalignment: If the tape path is unstable, the tape will be damaged.
5. To shift the CTL waveform, press CH UP or CH 5. When Guide Rollers [2] and [3] (Refer to Fig. 5-4- DOWN button on the remote control unit. Then 3) are aligned properly, there is no envelope drop make sure that the maximum output position of PB either at the beginning or end of track as shown in ±...
1-D. Azimuth Alignment of Audio/Control/ 2. When the tape has been curled up or bent, turn Erase Head the alignment screw to adjust the height of REV Post. (Refer to Fig. 5-4-11 and 5-4-13.) Purpose: To correct the Azimuth alignment so that the Audio/ Control/Erase Head meets tape tracks properly.
EXPLODED VIEW AND PARTS LIST 6-1 EXPLODED VIEWS 6-1-1 Cabinet Section Note: Components without any numbers in exploded views had not been assigned as service parts 2L011 as of the date of issue of this manual. 2L011 2B18 2L011 2L011 JACK PCB [COMPONENT REPLACEMENT]...
Signal Active Mark Function Name Level Model Mark Head Amp H-A-COMP Comparator VT-FX440E(UK) Signal VT-MX410E(UK) Not Used VT-FX540E(UK) Video Head OUT RF-SW Switching Pulse IC501( SERVO / SYSTEM CONTROL IC ) HiFi Audio Head OUT Hi-Fi-H-SW “H” ≥ 4.5V, “L” ≤ 1.0V...
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Signal Active Signal Active Mark Function Mark Function Name Level Name Level Clock Select CLKSEL IIC BUS- C BUS Control (GND) Data OSCin Clock Input for Not Used letter size Clock Output for OUT OSCout Not Used letter size Not Used Not Used Capstan Motor OUT C-CONT...
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Signal Active Mark Function Name Level A/D Converter Power Input/ AVcc Standard Voltage Input IF AGC Comparator Signal Notes: Abbreviation for Active Level: PWM -----Pulse Wide Modulation A/D--------Analog - Digital Converter 7-10...
7-3 LEAD IDENTIFICATIONS BU4052BCF-E2 2SC2785(F,H,J) 2SA1015-GR(TPE2) BA1F4M-T CD4052BCSJX 2SA1020(Y) BN1F4M-T TC4052BF(EL) 2SC1815-BL(TPE2) BN1L4M-T 2SC1815-GR(TPE2) KRA103M 2SC1815-Y(TPE2) KRA104M 2SC2120-Y(TPE2) KRC103M 2SC3266-Y(TPE2) KTA1266(GR) KTA1267(GR,Y) KTA1281(Y) KTC3203(Y) KTC3199(BL,GR,Y) KTC3205(Y) PT6958-FN-TP 2SK3566 E C B E C B LTV-817B-F BR24L02F-WE2 LTV-817C-F CAT24WC02JI LC74793JM-TRM G D S LA71750EM-MPB-E QSZAA0RMB194 FA1F4M-T1B...
SCHEMATIC, WIRING DIAGRAMS S-1 Schematic Diagrams / PCB’s and Test Points Standard Notes Notes: WARNING 1. Do not use the part number shown on these draw- ings for ordering. The correct part number is Many electrical and mechanical parts in this chassis shown in the parts list, and may be slightly different have special characteristics.
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LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOW- ING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
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MAIN BOARD (VIDEO/AUDIO BLOCK) MAIN BOARD (VIDEO/AUDIO BLOCK)
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JACK BOARD MAIN BOARD (JACK BLOCK) SUB-JACK BOARD MAIN (JACK BLOCK), JACK & SUB-JACK BOARDS...
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NOTE: CAUTION! The voltage for parts in hot circuit is measured Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. using hot GND as a common terminal. If Main Fuse (F001) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
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MAIN BOARD (Hi-Fi BLOCK) MAIN BOARD (Hi-Fi BLOCK)
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MAIN BOARD (VPS BLOCK) MAIN BOARD (VPS BLOCK) S-10...
CIRCUIT BOARD DIAGRAMS C-1 Main PCB, Sensor PCB Top View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. replace only with the same type fuse.
C-2 Main PCB Bottom View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. replace only with the same type fuse.
C-4 AFV PCB Top View / Bottom View, Sub Jack PCB Top View / Bottom View ( VT-FX440E(UK) ) AFV PCB Top View AFV PCB Bottom View Sub Jack PCB Top View Sub Jack PCB Bottom View...
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RESET RESET (DECK ASSEMBLY) e 12 AC HEAD ASSEMBLY TU701(TUNER UNIT) CN504 CL504 CONTROL 2 CTL(+) HEAD 1 CTL(-) IC503 (MEMORY) VT-FX440E(UK) AUDIO-SW-1 AL+5V AUDIO-SW-1 29 AUDIO-SW-2 AUDIO-SW-2 30 VR501 PG-DELAY IIC-BUS SDA SW-POINT AUDIO BLOCK AL+5V REC-SAF-SW IIC-BUS SCL...
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PROCESS VIDEO (L)-1 TU701(TUNER UNIT) HEAD V(L)-2 VIDEO IN V-COM VIDEO (L)-2 TUNER BYPASS VIDEO OUT V(R)-2 HEAD VIDEO (R)-2 HEAD VT-FX440E(UK) CHARA. INS. HEAD CCD 1H DELAY PB/EE REC FM MUTE TP502 RF-SW TUNER CHROMINANCE SIGNAL D-REC-H D-REC-H 80...
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PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC TU701(TUNER UNIT) JACK PCB MAIN PCB AUDIO IN JK101 AUDIO OUT A-IN1(R) CN101 CN151 A-IN1(L) A-IN1 A-OUT1(R) A-OUT1 A-OUT1(L) IC151 (SWITCHING) JK102 PB/EE A-IN2(R) CN102 CN152 Q151 PB/EE A-IN2(L) A-IN2 PB/EE BUFFER A-OUT2 A-OUT2(R) A-OUT2(L) TUNER...
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PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN PCB N-A-PB TO Hi-Fi N-A-REC AUDIO BLOCK IC301 (AUDIO SIGNAL PROCESS) TUNER PB-ON LINE MUTE (DECK ASSEMBLY) SP/LP-ON ACE HEAD ASSEMBLY REC-ON Q401 CN504 AUDIO 3 A-PB/REC Q402 HEAD 4 A-COM BIAS AUDIO 6 AE-H ERASE...
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PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC JACK PCB CN509 JK751 MAIN PCB A-OUT1(L) A-OUT JK101 CN101 CN151 A-OUT1(R) A-IN1(R) A-IN1(R) A-IN1(L) A-IN1(L) A-OUT A-OUT1(R) A-OUT1(R) 5 A-OUT1(L) A-OUT1(L) 11 SUB JACK PCB JK102 CN102 CN152 A-IN2(R) A-IN2(R) A-IN2(L) A-IN2(L) A-OUT2(R) 6 A-OUT2(R) AFV PCB...
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GND as a common terminal. circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail. MAIN PCB HOT CIRCUIT. BE CAREFUL. VT-FX440E(UK) VT-MX410E(UK) T001 F001 L003 D001 - D004 T1.6A L 250V...
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S-5 Main 3/7 Schematic Diagram - VT-FX540E(UK)
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S-6 Main 4/7, Jack, Sub Jack Schematic Diagram - VT-FX540E(UK)
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S-7 Main 5/7 Schematic Diagram - VT-FX540E(UK) CAUTION ! NOTE : CAUTION ! The voltage for parts in hot circuit is measured using Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. For continued protection against fire hazard, replace only with the same type fuse.
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S-8 Main 6/7 Schematic Diagram - VT-FX540E(UK)
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S-9 Main 7/7 Schematic Diagram - VT-FX540E(UK) S-10...
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S-11 Waveforms - VT-FX540E(UK) TP301 UPPER TP502 LOWER C-PB 10mV x 10 RF-SW 0.5V x 10 UPPER TP502 LOWER V-OUT 0.1V x 10 RF-SW 0.5V x 10 50µs V-OUT E-E 10µs 50mV x 10 S-12...
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CIRCUIT BOARD DIAGRAMS - VT-FX540E(UK) C-1 Main CBA, Sensor CBA Top View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
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C-2 Main CBA Bottom View - VT-FX540E(UK) CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. replace only with the same type fuse.
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C-3 Jack CBA Top View / Bottom View - VT-FX540E(UK) Jack CBA Top View Jack CBA Bottom View...
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C-4 AFV CBA Top View / Bottom View, Sub Jack CBA Top View / Bottom View - VT-FX540E(UK) AFV CBA Top View AFV CBA Bottom View Sub Jack CBA Top View Sub Jack CBA Bottom View...
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REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC IC640 (VPS) MAIN CBA DAVN-L IC501 (OSD) FROM DAVN-L IIC-BUS SDA SERVO/SYSTEM IIC-BUS SDA CONTROL BLOCK IIC-BUS SCL IIC-BUS SCL CHARACTER VPS-V IC301 Q351 (Y/C SIGNAL PROCESS) BUFFER (DECK ASSEMBLY) SERIAL Y. DELAY DECORDER CYLINDER ASSEMBLY CN253 V(R)-1...
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PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA N-A-PB TO Hi-Fi N-A-REC AUDIO BLOCK IC301 (AUDIO SIGNAL PROCESS) TUNER PB-ON LINE MUTE (DECK ASSEMBLY) SP/LP-ON ACE HEAD ASSEMBLY REC-ON Q401 CN504 AUDIO 3 A-PB/REC Q402 HEAD 4 A-COM BIAS AUDIO 6 AE-H ERASE...
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PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC JACK CBA CN509 JK751 MAIN CBA A-OUT1(L) A-OUT JK101 CN101 CN151 A-OUT1(R) A-IN1(R) A-IN1(R) A-IN1(L) A-IN1(L) A-OUT A-OUT1(R) A-OUT1(R) 5 A-OUT1(L) A-OUT1(L) 11 SUB JACK CBA JK102 CN102 CN152 A-IN2(R) A-IN2(R) A-IN2(L) A-IN2(L) A-OUT2(R) 6 A-OUT2(R) AFV CBA...
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CAUTION CAUTION ! NOTE : Fixed voltage (or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, If Main Fuse (F001) is blown, check to see that all components in the power supply REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
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Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: csgswe@hitachi-eu.com Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...